15350422987 has 4 divisors (see below), whose sum is σ = 15436179720. Its totient is φ = 15264666256.

The previous prime is 15350422973. The next prime is 15350423009. The reversal of 15350422987 is 78922405351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15350422987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15350422907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42878098 + ... + 42878455.

It is an arithmetic number, because the mean of its divisors is an integer number (3859044930).

Almost surely, 2^15350422987 is an apocalyptic number.

15350422987 is a deficient number, since it is larger than the sum of its proper divisors (85756733).

15350422987 is an equidigital number, since it uses as much as digits as its factorization.

15350422987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85756732.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 15350422987 in words is "fifteen billion, three hundred fifty million, four hundred twenty-two thousand, nine hundred eighty-seven".